/// getRelocationInfo - This method classifies the entry according to
/// whether or not it may generate a relocation entry. This must be
/// conservative, so if it might codegen to a relocatable entry, it should say
- /// so. The return values are:
- ///
- /// 0: This constant pool entry is guaranteed to never have a relocation
- /// applied to it (because it holds a simple constant like '4').
- /// 1: This entry has relocations, but the entries are guaranteed to be
- /// resolvable by the static linker, so the dynamic linker will never see
- /// them.
- /// 2: This entry may have arbitrary relocations.
+ /// so. The return values are the same as Constant::getRelocationInfo().
virtual unsigned getRelocationInfo() const = 0;
virtual int getExistingMachineCPValue(MachineConstantPool *CP,
public:
/// The constant itself.
union {
- Constant *ConstVal;
+ const Constant *ConstVal;
MachineConstantPoolValue *MachineCPVal;
} Val;
/// a MachineConstantPoolValue.
unsigned Alignment;
- MachineConstantPoolEntry(Constant *V, unsigned A)
+ MachineConstantPoolEntry(const Constant *V, unsigned A)
: Alignment(A) {
Val.ConstVal = V;
}
MachineConstantPoolEntry(MachineConstantPoolValue *V, unsigned A)
: Alignment(A) {
Val.MachineCPVal = V;
- Alignment |= 1 << (sizeof(unsigned)*CHAR_BIT-1);
+ Alignment |= 1U << (sizeof(unsigned)*CHAR_BIT-1);
}
bool isMachineConstantPoolEntry() const {
: TD(td), PoolAlignment(1) {}
~MachineConstantPool();
- /// getConstantPoolAlignment - Return the the alignment required by
+ /// getConstantPoolAlignment - Return the alignment required by
/// the whole constant pool, of which the first element must be aligned.
unsigned getConstantPoolAlignment() const { return PoolAlignment; }
/// getConstantPoolIndex - Create a new entry in the constant pool or return
/// an existing one. User must specify the minimum required alignment for
/// the object.
- unsigned getConstantPoolIndex(Constant *C, unsigned Alignment);
+ unsigned getConstantPoolIndex(const Constant *C, unsigned Alignment);
unsigned getConstantPoolIndex(MachineConstantPoolValue *V,unsigned Alignment);
/// isEmpty - Return true if this constant pool contains no constants.